28286412

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^4\times {\mathrm{23}}^1$

素因数の和:81

約数の個数: 120

約数和(自身を含む): 86580480

約数和(自身を除く): 58294068

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 23, 28, 33, 42, 44, 46, 66, 69, 77, 84, 92, 121, 132, 138, 154, 161, 231, 242, 253, 276, 308, 322, 363, 462, 483, 484, 506, 644, 726, 759, 847, 924, 966, 1012, 1331, 1452, 1518, 1694, 1771, 1932, 2541, 2662, 2783, 3036, 3388, 3542, 3993, 5082, 5313, 5324, 5566, 7084, 7986, 8349, 9317, 10164, 10626, 11132, 14641, 15972, 16698, 18634, 19481, 21252, 27951, 29282, 30613, 33396, 37268, 38962, 43923, 55902, 58443, 58564, 61226, 77924, 87846, 91839, 102487, 111804, 116886, 122452, 175692, 183678, 204974, 214291, 233772, 307461, 336743, 367356, 409948, 428582, 614922, 642873, 673486, 857164, 1010229, 1229844, 1285746, 1346972, 2020458, 2357201, 2571492, 4040916, 4714402, 7071603, 9428804, 14143206, 28286412]

約数ペア:

[(1, 28286412), (2, 14143206), (3, 9428804), (4, 7071603), (6, 4714402), (7, 4040916), (11, 2571492), (12, 2357201), (14, 2020458), (21, 1346972), (22, 1285746), (23, 1229844), (28, 1010229), (33, 857164), (42, 673486), (44, 642873), (46, 614922), (66, 428582), (69, 409948), (77, 367356), (84, 336743), (92, 307461), (121, 233772), (132, 214291), (138, 204974), (154, 183678), (161, 175692), (231, 122452), (242, 116886), (253, 111804), (276, 102487), (308, 91839), (322, 87846), (363, 77924), (462, 61226), (483, 58564), (484, 58443), (506, 55902), (644, 43923), (726, 38962), (759, 37268), (847, 33396), (924, 30613), (966, 29282), (1012, 27951), (1331, 21252), (1452, 19481), (1518, 18634), (1694, 16698), (1771, 15972), (1932, 14641), (2541, 11132), (2662, 10626), (2783, 10164), (3036, 9317), (3388, 8349), (3542, 7986), (3993, 7084), (5082, 5566), (5313, 5324)]